{"id":992258,"url":"https://alion.io/job/dtex-seniorprincipal-engineer-opensearch-dtex-systems","title":"Senior/Principal Engineer – OpenSearch - DTEX Systems","company":{"id":711460,"name":"DTEX Systems","domain":"dtex.ai","url":"https://alion.io/company/dtex-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fremont, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":170000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"DLP","optional":false},{"name":"ElasticSearch","optional":false},{"name":"OpenSearch","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-17T04:15:43Z","employer_posted_date":"2026-09-26","last_verified_at":"2026-11-03T20:52:38Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":47},"description":"About the Job:\nDTEX is seeking a highly skilled and experienced Senior Engineer - OpenSearch to join our engineering team. In this role, you will lead the development and optimization of large-scale OpenSearch clusters, contribute to our Insider Risk Management (IRM) and Data Loss Prevention (DLP) products, and actively engage with the open-source community. You’ll work closely with internal teams, clients, and global collaborators to drive innovation in search technologies.\nKey Responsibilities \nServe as a consultant, advisor, and mentor to internal and external search practitioners. \nAttend client and internal meetings to align technical solutions with business needs. \nActively contribute to the OpenSearch community and participate in public forums. \nCollaborate with cross-functional teams and open-source contributors to drive innovation. \nDesign and implement new features, enhancements, and bug fixes for DTEX’s IRM and AI Risk Management products. \nManage and fine-tune large-scale OpenSearch clusters with terabytes of data. \nApply recommended development and operational expertise to cloud-hosted OpenSearch environments. \nRapidly iterate on solutions while maintaining high quality standards. \nWork effectively with a globally distributed team. \nQualifications: \nMinimum 10 years of software engineering experience. \nBachelor's degree in computer science or related field. \nDeep expertise in OpenSearch internals while handling terabytes of data across multiple nodes. \nProficiency in data management: ingestion pipelines, field mappings, cluster integrity, and search/aggregation tuning. \nProven experience migrating large-scale Elasticsearch 6.x clustered deployments to OpenSearch 2.x or above. \nDemonstrates a solid grasp of essential OpenSearch management practices, encompassing index lifecycle management, sharding strategies, JVM heap size configuration, young generation parameters, garbage collection strategy optimization, comprehensive JVM memory oversight, and effective tuning of shard and replica allocation. \nStrong proficiency in Python and good understanding of JVM ecosystems. \nSolid understanding of algorithms, data structures, and software design principles. \nExperience building distributed, high-throughput, and concurrent applications. \nHands on experience with major cloud platforms, preferably AWS. \nSkilled in debugging complex issues and engaging with upstream open-source communities. \nWhy Join Us? \nImpact at Scale - Build and lead DTEX’s first sales enablement function, shaping how we scale commercial excellence across the world. \nThriving Company Culture - At DTEX, we foster a values-driven environment that prioritizes respect, inclusion, and collaboration. \nGrowth & Development - We believe in lifelong learning and provide opportunities for continuous professional development. \nFlexibility - Work in a hybrid or remote environment that balances collaboration with autonomy. \nComprehensive Benefits - Competitive compensation, equity participation, health and wellness benefits, and generous time-off policies. \nAbout DTEX\nDTEX is the leader in risk-adaptive security, unifying human, data, and AI risk through a behavioral intelligence platform. Built for enterprise scale, DTEX detects threats early and prevents breaches before they impact the business.\nBy analyzing how people, data, and AI systems interact, DTEX surfaces early indicators of risk that other tools miss and provides the context needed to act with precision. The platform brings together insider risk management, risk-adaptive data protection, user and entity behavior analytics, user activity monitoring, and AI risk management into a single, cohesive solution.\nOrganizations and governments worldwide rely on DTEX to protect sensitive data, enable secure innovation, and safeguard trust. With privacy-by-design telemetry and adaptive controls, security teams can reduce risk without disrupting productivity.\nJoining DTEX means working on some of the most complex and high-impact security challenges facing enterprises today.\nDTEX is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, gender, religion, sex, national origin, age, disability, or genetics.\nPursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.\nExact compensation may vary based on skills, experience, and location.\nBase salary range (SF Bay Area): $170k-$220k","description_format":"text","description_chars":4524,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Email Security"],"lifecycle":[{"event":"open","at":"2026-09-17T04:15:43Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 3","filings_12m":3,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":187500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.378,"p_room":0.35,"age_days":47,"expected_fill_days":12,"reasons":["conf:2","win:tail"],"computed_at":"2026-11-03T05:54:40Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/dtex-seniorprincipal-engineer-opensearch-dtex-systems","json_url":"https://alion.io/job/dtex-seniorprincipal-engineer-opensearch-dtex-systems.json","meta":{"generated_at":"2026-11-03T22:14:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":722,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":711460},"rest":"https://alion.io/mcp/rest/get_company?id=711460"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdtex-seniorprincipal-engineer-opensearch-dtex-systems"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fdtex-seniorprincipal-engineer-opensearch-dtex-systems"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fdtex-seniorprincipal-engineer-opensearch-dtex-systems"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/dtex-seniorprincipal-engineer-opensearch-dtex-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdtex-seniorprincipal-engineer-opensearch-dtex-systems"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":992258}},{"tool":"search_jobs","arguments":{"company":"dtex.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":992258},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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